Study challenges routine use of MRI scans to evaluate breast cancer
Reviewing the records of 577 breast cancer patients, Fox Chase Cancer Center researchers found that women with newly diagnosed breast cancer who receive a breast MRI are more likely to receive a mastectomy after their diagnosis and may face delays in starting treatment. The study demonstrates that, despite the lack of evidence of their benefit, routine use of MRI scans in women newly diagnosed with breast cancer increased significantly between 2004 and 2005, and again in 2006.
Total knee replacements increase mobility and motor skills in older patients
According to a new study from researchers at Duke University, total knee arthroplasty (TKA) procedures performed in older patients with osteoarthritis of the knee result in long-term, significant improvement of physical functioning and motor skills when compared to patients who do not receive TKA. more
New gene discovery links obesity to the brain
A variation in a gene that is active in the central nervous system is associated with increased risk for obesity, according to an international study in which Albert Einstein College of Medicine of Yeshiva University played a major role. The research adds to evidence that genes influence appetite and that the brain plays a key role in obesity. more
Selenium intake may worsen prostate cancer in some, study reports
Higher selenium levels in the blood may worsen prostate cancer in some men who already have the disease, according to a study by researchers at Dana-Farber Cancer Institute the University of California, San Francisco. more
ATS, ERS jointly issue asthma assessment guidelines
The American Thoracic Society and the European Respiratory Society have released official standards for clinical trials and practice with respect to the assessment of asthma. The statement appears in the July 1 issue of the American Journal of Respiratory and Critical Care Medicine.
Brain plasticity: Changes and resets in homeostasis
In an article published in the June 25th edition of the journal Neuron, researchers at the Hotchkiss Brain Institute, University of Calgary, have found that synaptic plasticity, long implicated as a device for 'change' in the brain, may also be essential for stability. more
Glucose challenge test is accurate and economical for diabetes and prediabetes screening
A test commonly used to help identify women with diabetes during pregnancy may be an accurate, convenient and inexpensive way to screen the general population for unrecognized diabetes and prediabetes, according to Emory University researchers. more
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